Vol. 12, Issue 2 (2023)

The effect of different novel insecticides treatment against mustard aphid was determined on the basis of seed yield and Incremental Benefit Cost Ratio. The treatment Dimethoate 30 EC (1 ml/lt) recorded significantly higher seed yield than other all treatments and followed by the treatment Imidacloprid 17.8 SL (0.25 ml/lt), Thiamethoxam 25 WG (0.20 g/lt), Acetamiprid 20 SP (0.1 g/lt), Clothianidine 50 WDG (0.12 g/lt), Verticillium lecanii (2 g/lt), Azadirachtin 3000 ppm (5 ml/lt) and Beauveria bassiana (2 g/lt). The Incremental Cost Benefit Ratio treatment Dimethoate 30 EC (1 ml/lt) was most economic, it gave the maximum benefit (1:15.4) as compare to remaining treatment all the treatment found as cost effective over the control.